CJCU
Determination of Vanadium, Niobium and Tantalum as Their 2-(2-Pyridylazo)-5-diethylaminophenol Chelates by Reversed-phase HPLC
WANG Hong, ZHANG Hua-Shan, QIU Pei-Hong, CHENG Jie-Ke
Chem. J. Chinese Universities . 1995, (6): 850 -853 .